shop address: 2 Street  G3-17530

Tel: 0579-85187530, 13566970345

features:

1. achieve 4 rooms mutual . intercom

Using a single 2. power supply system, only need to use a . transformer

3. built-in antisidetone circuit clear voice, without noise .

4. light and .

The 5. distance can be up to several hundred meters .

6. built-in microcomputer control circuit and digital circuit simple encoding and decoding , only 4 root lines will be 4 machine connected , can call .

7. is busy or hang up . tips

8. call security , between room and room call , by third parties to hear .

instructions:

1. call each other , machine and press the number of the person , other machine can be either intercom, hang over . calls.

2. press the other number when , heard the busy tone , please wait for . hook

3. hang up lamp light , said did not hang up , to hang up .

performance parameters:

The working voltage of 1. : DC12V

2. power : static < 1.2W

3. call status 1.5W; &lt

4. audio distortion power: no more than 20mW

5. frequency response: 1K-5KHz

system :

1. 1 multi-channel interphone

2. multi 3 extension

3. 1 intercom power

Installation rack 4 indoor machine 4.